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May 29, at 8: May 11, at 2: May 28, at 6: May 29, at 3: If you can etch your own board, or use protoboard, you could build some of the stages pretty easily.

2SD1944 datasheet

Post 7 of I will post some pictures of the board. There are improved variations on this, as it was really just posted to get people thinking, but this is probably the simplest it will get while still offering good performance. I really 22sd1944 suggest leaving the transistors alone, especially since you dont have any idea what they do in this circuit.


Post 9 of I class-a biased it with two jfets.

May 29, at 7: Leave the transistors alone. Are there some transistors replacement databases on the web?

2SB_PDF Datasheet Download IC-ON-LINE

I would definitely recommend getting a schematic if possible before just shotgunning parts out. Yes, my password is: Post 1 of Your username or email address: Well, there’s always the LC Audio Zapfilter http: May 30, at 6: To your original question: It would be much more worthwhile to replace the whole output stage, preferably with a discrete solution. Unfortunately, I can not find the schema. Post 11 of Post 13 of I posted a thread on this a little while back which included a board layout picture.

May 11, at 9: Sometimes I can hear noise when the player is searching for a track, but the increase in sound quality is worth it. Do you already have an account? The PCB set is 18 Euro, and he can supply parts as well.


2SD Datasheet(PDF) – Rohm

Supposed to be really good and datasheeet Post 6 of Here are some pics of the board. Hope will raise sound quality. Then I took the output straight off the opamp, thru two huge solen caps, straight to the output jacks, effectively bypassing the stock caps, resistors, and muting transistors. Headphone Reviews and Discussion – Head-Fi.

Need help for transistors upgrade. No, create an account now. For my DVD player, it wasn’t worth the money to rebuild the entire analog output stage.

Is there somewhere where we can buy PCBs of discrete analog stages?